77725484 has 12 divisors (see below), whose sum is σ = 136193400. Its totient is φ = 38813088.

The previous prime is 77725471. The next prime is 77725489. The reversal of 77725484 is 48452777.

It is not an unprimeable number, because it can be changed into a prime (77725489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8774 + ... + 15245.

It is an arithmetic number, because the mean of its divisors is an integer number (11349450).

Almost surely, 2^77725484 is an apocalyptic number.

It is an amenable number.

77725484 is a deficient number, since it is larger than the sum of its proper divisors (58467916).

77725484 is a wasteful number, since it uses less digits than its factorization.

77725484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24832 (or 24830 counting only the distinct ones).

The product of its digits is 439040, while the sum is 44.

The square root of 77725484 is about 8816.2057598493. The cubic root of 77725484 is about 426.7640340395.

The spelling of 77725484 in words is "seventy-seven million, seven hundred twenty-five thousand, four hundred eighty-four".